<!DOCTYPE html>
<html class="reftest-wait">
<link rel="match" href="unclosed-layers-expected.html">
<title>Canvas test: unclosed-layers</title>
<h1>unclosed-layers</h1>
<p class="desc">Check that unclosed layers aren't rendered.</p>
<canvas id="canvas" width="1" height="1">
  <p class="fallback">FAIL (fallback content)</p>
</canvas>
<script>
  var placeholder = document.getElementById('canvas');
  var offscreen = placeholder.transferControlToOffscreen();
  const ctx = offscreen.getContext('2d');
  offscreen.width = offscreen.height = 200;

  ctx.fillStyle = 'purple';
  ctx.fillRect(60, 60, 75, 50);

  ctx.beginLayer({filter: {name: 'dropShadow', dx: -2, dy: 2}});
  ctx.fillRect(40, 40, 75, 50);
  ctx.fillStyle = 'grey';
  ctx.fillRect(50, 50, 75, 50);

  function draw () {
    // Wait until frame propagates.
    if(placeholder.width != 200) {
      requestAnimationFrame(draw);
    } else {
      document.documentElement.classList.remove("reftest-wait");
    }
  }
  requestAnimationFrame(draw);
</script>
